Databases
StackOverflow2013
Postsdbo
POUnable to retrieve the value of textfield
Body
 

Note that there are some explanatory texts on larger screens.

plurals
  1. POUnable to retrieve the value of textfield
    text
    copied!<p>i am the newbee in Android Development. I had developed an app contains a login, the credentials must be passed in the text field and later it will call a webservice. I am facing the issue as user and password is not getting copied at the required position. Please help me out. </p> <pre><code> package com.authorwjf.http_get; import java.io.IOException; import java.io.InputStream; import java.io.UnsupportedEncodingException; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.protocol.BasicHttpContext; import org.apache.http.protocol.HttpContext; import android.app.Activity; import android.os.AsyncTask; import android.os.Bundle; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; public class Main extends Activity implements OnClickListener { EditText txtUserName; EditText txtPassword; @Override public void onCreate(Bundle savedInstanceState) { txtUserName=(EditText)this.findViewById(R.id.editText1); txtPassword=(EditText)this.findViewById(R.id.editText2); super.onCreate(savedInstanceState); setContentView(R.layout.main); findViewById(R.id.my_button).setOnClickListener(this); } @Override public void onClick(View arg0) { Button b = (Button)findViewById(R.id.my_button); b.setClickable(false); new LongRunningGetIO().execute(); } private class LongRunningGetIO extends AsyncTask &lt;Void, Void, String&gt; { protected String getASCIIContentFromEntity(HttpEntity entity) throws IllegalStateException, IOException { InputStream in = entity.getContent(); StringBuffer out = new StringBuffer(); int n = 1; while (n&gt;0) { byte[] b = new byte[4096]; n = in.read(b); if (n&gt;0) out.append(new String(b, 0, n)); } return out.toString(); } @Override protected String doInBackground(Void... params) { HttpClient httpClient = new DefaultHttpClient(); HttpContext localContext = new BasicHttpContext(); String user= txtUserName.getText().toString(); String pass= txtPassword.getText().toString(); System.out.println("USERRRR"+user); System.out.println(pass); //String user="at@ril.com"; //String pass= "123456"; String accessTokenQry = "{"+ "\"uid\":\""+user+"\","+ "\"password\":\""+pass+"\","+ "\"consumptionDeviceId\":\"fder-et3w-3adw2-2erf\","+ "\"consumptionDeviceName\":\"Samsung Tab\""+ "}"; HttpPost httpPost = new HttpPost("http://devssg01.ril.com:8080/v2/dip/auth/login"); httpPost.setHeader("Content-Type", "application/json"); httpPost.setHeader("X-API-Key", "l7xx7914b8704b2d4b029ab9c4b1b9c66dbf"); StringEntity input; try { input = new StringEntity(accessTokenQry); httpPost.setEntity(input); } catch (UnsupportedEncodingException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } String text = null; try { HttpResponse response = httpClient.execute(httpPost, localContext); HttpEntity entity = response.getEntity(); text = getASCIIContentFromEntity(entity); } catch (Exception e) { return e.getLocalizedMessage(); } return text; } protected void onPostExecute(String results) { if (results!=null) { EditText et = (EditText)findViewById(R.id.my_edit); et.setText(results); } Button b = (Button)findViewById(R.id.my_button); b.setClickable(true); } } } </code></pre> <p>The LogCat Output is:</p> <pre><code>08-10 01:20:23.977: W/dalvikvm(760): threadid=14: thread exiting with uncaught exception (group=0x414c4700) 08-10 01:20:23.984: E/AndroidRuntime(760): FATAL EXCEPTION: AsyncTask #4 08-10 01:20:23.984: E/AndroidRuntime(760): java.lang.RuntimeException: An error occured while executing doInBackground() 08-10 01:20:23.984: E/AndroidRuntime(760): at android.os.AsyncTask$3.done(AsyncTask.java:299) 08-10 01:20:23.984: E/AndroidRuntime(760): at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352) 08-10 01:20:23.984: E/AndroidRuntime(760): at java.util.concurrent.FutureTask.setException(FutureTask.java:219) 08-10 01:20:23.984: E/AndroidRuntime(760): at java.util.concurrent.FutureTask.run(FutureTask.java:239) 08-10 01:20:23.984: E/AndroidRuntime(760): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080) 08-10 01:20:23.984: E/AndroidRuntime(760): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573) 08-10 01:20:23.984: E/AndroidRuntime(760): at java.lang.Thread.run(Thread.java:841) 08-10 01:20:23.984: E/AndroidRuntime(760): Caused by: java.lang.NullPointerException 08-10 01:20:23.984: E/AndroidRuntime(760): at com.authorwjf.http_get.Main$LongRunningGetIO.doInBackground(Main.java:66) 08-10 01:20:23.984: E/AndroidRuntime(760): at com.authorwjf.http_get.Main$LongRunningGetIO.doInBackground(Main.java:1) 08-10 01:20:23.984: E/AndroidRuntime(760): at android.os.AsyncTask$2.call(AsyncTask.java:287) 08-10 01:20:23.984: E/AndroidRuntime(760): at java.util.concurrent.FutureTask.run(FutureTask.java:234) 08-10 01:20:23.984: E/AndroidRuntime(760): ... 3 more </code></pre>
 

Querying!

 
Guidance
An individual column

Larger individual text columns get their own page to allow for proper reading.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload